9497473920 has 288 divisors, whose sum is σ = 36051102360. Its totient is φ = 2302248960.

The previous prime is 9497473907. The next prime is 9497473933. The reversal of 9497473920 is 293747949.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9497473907) and next prime (9497473933).

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×9497473920² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 690147 + ... + 703773.

Almost surely, 2^9497473920 is an apocalyptic number.

9497473920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9497473920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18025551180).

9497473920 is an abundant number, since it is smaller than the sum of its proper divisors (26553628440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9497473920 is a wasteful number, since it uses less digits than its factorization.

9497473920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674 (or 13648 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The square root of 9497473920 is about 97454.9840695693. The cubic root of 9497473920 is about 2117.7240556753.

The spelling of 9497473920 in words is "nine billion, four hundred ninety-seven million, four hundred seventy-three thousand, nine hundred twenty".